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Notes on Keeping Goldfish in Winter
Winter's low temperature slows goldfish metabolism and weakens immunity, so adjust diet and water changes. Reduce feeding amount and frequency and lower change frequency. Avoid adding new fish in winter. Watch their condition for early signs; manage diet and water changes to lower illness risk.
Why Do Parrot Fish Turn White?
Parrot fish turn white from lack of pigment, poor water (alkaline or hard; they prefer soft, weakly acidic water at pH 6.0-7.0), low temperature below 20C, environment change or fright, illness, or genetics. Feed color-enhancing food, fix water and warmth, let them rest after stress, and treat any disease.
Why Does a Goldfish’s Tail Rot?
Goldfish tail rot comes from poor water, overcrowding, bacterial infection, or tail rot disease. Fix water promptly, lower density, isolate and bath infected fish with gentamicin, and for the disease use salt (early) or yellow powder/malachite green (severe). Disinfect the original tank to protect healthy fish.
Why Does a Goldfish Get White Fuzz on Its Body?
White fuzz is usually fungus (long fuzz = water mold/saprolegnia) from an untreated wound, or short fuzz from heavy skin parasites. For fungus: change water, raise temp 1-2C, and salt or malachite green baths, even surgical debridement. For parasites: salt or potassium permanganate baths - control dose carefully (15-30 min).
Why is a guppy lying at the bottom of the tank?
A guppy lying at the bottom can be from environment change, poor water or temperature, or health issues. It may be stressed by big water changes or new decor, or by wrong temperature and bad water, or by disease like white spot or saprolegniasis.
Why do koi grow white fuzz?
White fuzz is likely saprolegniasis, a bacterial disease in crowded or dirty water, worst on injured fish with loss of appetite and lethargy. Treat with low-salt baths and oxytetracycline.
What happens if you overfeed goldfish?
Overfeeding raises weight and lowers ornamental value, causing sluggishness and rapid breathing. It also causes indigestion and fouls the water, leading to fin rot, gill rot, and fungus that shorten lifespan.
What to Do When a Blood Parrot Cichlid Has White Fungus
Some fish lovers buy blood parrots for their looks, then notice a clear white frost on the body and panic. Here our experts explain what to do about white frost on a blood parrot.
How to Tell If Your Arowana Is Healthy
When observing your arowana day to day, beyond enjoying its graceful swimming, you should pay close attention to its physical condition and state, so that any abnormality or illness is caught and treated early, protecting its health and safety. Below are some methods our experts use to judge whether an arowana is healthy, hope they help you.
What Symptoms Do Koi Show When Sick?
Sick koi often become slow and swim sluggishly, and usually drift away from the group. Skin disease shows body abnormalities; for example, saprolegniasis grows mycelium on the body or fins, causing sluggishness and appetite loss.